Close breeding and inbreeding are used sparingly by fanciers to fix traits they value. What does wild bird behaviour tell us about these techniques? PAUL...
Famous for its signature behaviour of tricking other birds into rearing its young, the cuckoo isn’t always seen in the most favourable light, says BILL...
Often travelling thousands of miles from its winter home to summer breeding grounds, the northern wheatear’s aviary setting should ideally reflect its need for...
Rosemary Low examines how certain species of the same genus can be sexually dimorphic, while others aren’t, as she focuses on the exquisite red-bellied...